A disorder found in human population is called Klinefelter syndrome. W – McqOptions

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1.	A disorder found in human population is called Klinefelter syndrome. What is the reason for this ?
A.	Y with an extra X chromosome (47, XXY)
B.	An extra Y chromosome (47, XYY)
C.	monosomy of the 21st chromosome
D.	Lack of an X chromosome (45, XO)
Answer» B. An extra Y chromosome (47, XYY)

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